You searched for "universal rectangular"
SPREADFAST
Heatsink, Universal Square Alu, 19 x 19 x 10mm
Part: SFH1901-10L
Small universal square aluminium heatsink for semiconductor devices.
SPREADFAST
Heatsink, Universal Square Alu, 19 x 19 x 6mm
Part: SFH1901-06L
Small square aluminum heatsink for semiconductor device heat dissipation.
SPREADFAST
Heatsink, Universal Square Ceramic, 20.3 °C/W @ 400 lfm, 38.7 °C/W @ 100 lfm, 19 x 19 x 6mm, Adhesive, Screw
Part: SF-CHS-191906-PC
Ceramic heatsink for cooling electronic chips and power modules in industrial equipment.
Huco
Huco Universal Lateral, 6mm Bore, 19mm Length Coupler
Part: 207.18.2222
Tiny precision flexible coupling for light machinery requiring minimal power transmission.
ABB
ABB Natural Cable Tie Mount 12.7 mm x 19mm
Part: TC102
Rectangular screw-mounted natural cable tie holder for small cables.
AAVID THERMALLOY
Heatsink, 8.6°C/W, 19 x 51 x 41.2mm
Part: 437661
Large rectangular TO-220 heatsink for efficient thermal dissipation in power applications.